*Excludes Observations that spanned multiple years

  B
b
t
W
w
 
Pre 19701271603873
1970007018
1971041049
1972001001
1973015028
1974014027
197513150340
19760440715
197701210426
197803100316
197909220435
198019110021
19810280818
19820490518
198303110115
19840370212
19850480113
198606130423
198701280736
1988012150734
19890122701150
1990057220483
1991139270572
1992132250765
199371593602204
199433997601479
1995116155703686
199662816501353
19977189750041958
199813140575051498
19991117554041234
200051617491131685
20012166852091731
200221952162022118
200372508124022641
200422787158052952
200541859445072315
200652323457042789
200732145204032355
200881232308031551
200961383415051809
201091790498012298
201121099530071638
2012621937640122975
201381954652092623
201451842486042337
2015419167990162735
2016619669920232987
201715275613680104149
20181225011067083588
201912266512130133903
20205258216700144271
20212282814600284318
2022429721250064232
2023010500060
2024000000
Total1985472415893135471170